Kohler 15C/12.5CF Operation page 38

Trouble Symptoms
Controller
x
x x x
x x
x
x
x x
Cooling System
x
x
* Sec./Section—numbered section of this manual; ATS—Automatic Transfer Switch; Eng.—Engine; Gen.—Generator Set; I/M—Installation Manual; O/M—Operation Manual; S/M—Service Manual;
S/S—Spec Sheet; W/D—Wiring Diagram
[ Have an authorized service distributor/dealer perform this service.
Probable Causes
Controller start/stop switch in the
STOP position
Controller fuse blown
Controller circuit breaker tripped
Controller master or start/stop switch
inoperative
Controller fault
Controller circuit board(s) inoperative
x x
Air openings clogged
x
Impeller inoperative
x x
Seawater strainer clogged or restricted Clean the strainer.
High temperature shutdown
Low coolant level shutdown, if
equipped
x
Coolant level low
x
Thermostat inoperative
Cooling water pump belt loose or
x
inoperative
Recommended Actions
Move the controller start/stop switch to the START position.
Replace the blown controller fuse. If the fuse blows again,
troubleshoot the controller.[
Reset the controller circuit breaker.
Replace the controller master or start/stop switch.
Troubleshoot the controller.[
Replace the controller circuit board.
Clean the air openings.
Replace the impeller
Allow the engine to cool down. Then troubleshoot the cooling
system.
Restore the coolant to normal operating level.
Restore the coolant to normal operating level.
Replace the thermostat.
Tighten or replace the belt.
Section or
Publication
Reference*
Section 2
Section 2, W/D
Section 2
—
Gen. S/M
Gen. S/M
—
Section 3
Section 3
Sec. 3, Eng. O/M
Section 3
Section 3
Eng. S/M
Eng. O/M or S/M